312212130011 has 4 divisors (see below), whose sum is σ = 328644347400. Its totient is φ = 295779912624.

The previous prime is 312212130007. The next prime is 312212130017. The reversal of 312212130011 is 110031212213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312212130011 - 2² = 312212130007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312212130017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216108666 + ... + 8216108703.

It is an arithmetic number, because the mean of its divisors is an integer number (82161086850).

Almost surely, 2^312212130011 is an apocalyptic number.

312212130011 is a deficient number, since it is larger than the sum of its proper divisors (16432217389).

312212130011 is a wasteful number, since it uses less digits than its factorization.

312212130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16432217388.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312212130011 its reverse (110031212213), we get a palindrome (422243342224).

The spelling of 312212130011 in words is "three hundred twelve billion, two hundred twelve million, one hundred thirty thousand, eleven".